A1 ↔ A4 Converter
Convert measurements and scale drawings between A1 and A4 paper sizes
A1
Width: 594 mm (59.4 cm)
Height: 841 mm (84.1 cm)
In Inches: 23.39" × 33.11"
A4
Width: 210 mm (21.0 cm)
Height: 297 mm (29.7 cm)
In Inches: 8.27" × 11.69"
Scaling Factor
A1 → A4: 0.3532× (Reduction)
A4 → A1: 2.8316× (Enlargement)
Measurement Converter
Scaled measurement on A4
35.32 mm
In mm: 35.32 mm
In cm: 3.53 cm
In m: 0.0353 m
In inches: 1.39 in
Quick Reference Table
| A1 | A4 |
|---|---|
| 10 mm | 3.53 mm |
| 50 mm | 17.66 mm |
| 100 mm | 35.32 mm |
| 200 mm | 70.63 mm |
| 500 mm | 176.58 mm |
| 1000 mm | 353.15 mm |